#!/bin/bash
IFS=$'\n'
OSUROOT="/mnt/f/Games/osu!"
DESTROOT="/mnt/z/Backups/Games/osu"

function packArchive() {
	Z_ACT="${1}"
	Z_FILE="${2}"
	shift 2
	"7za" "${Z_ACT}" -scrcCRC32 -stl -tzip -mx=9 -mtc=off -mcu=on "${Z_FILE}" "${@}" 2>/dev/null > /dev/null
	if [ $? -ne 0 ] && [ "${1}" == "u" ]; then
		echo "Update failed, re-creating..."
		rm -rf "${2}"
		echo "Creating $(echo ${2} | rev | cut -d'/' -f1 | rev)"
		packArchive "a" "${2}" "${3}"
	fi
}


function packSkins() {
	cd "${OSUROOT}/Skins"
	if [ ! -d "${DESTROOT}/Skins" ]; then
		mkdir "${DESTROOT}/Skins";
	fi
	for f in $(ls -1); do
		case "${f}" in
			"User")
				continue
				;;
		esac
		if [ -d "${f}" ]; then
			NEWDIR="${OSUROOT}/Skins/${f}"
			cd -- "${NEWDIR}"
			OUTFILE=$(echo "${f}" | sed 's/%/\_/g;s/[+]/ /g;s/[|]/\_/g')
			FULLOUT="${DESTROOT}/Skins/${OUTFILE}.osk"
			if [ -f "${FULLOUT}" ]; then
				VERB="Updating"
				Z7ACT="u"
			else
				VERB="Creating"
				Z7ACT="a"
			fi
			echo "${VERB} ${OUTFILE}.osk"
			packArchive "${Z7ACT}" "${FULLOUT}" "."
			cd ..
		fi
	done
}

function packData() {
	cd "${OSUROOT}/Data"
	if [ ! -d "${DESTROOT}/Data" ]; then
		mkdir "${DESTROOT}/Data";
	fi
	for f in $(ls -1); do
		case "${f}" in
			"SubmissionCache")
				continue
				;;
		esac
		if [ -d "${f}" ]; then
			NEWDIR="${OSUROOT}/Data/${f}"
			cd -- "${NEWDIR}"
			OUTFILE=$(echo "${f}" | sed 's/%/\_/g;s/[+]/ /g;s/[|]/\_/g')
			FULLOUT="${DESTROOT}/Data/${OUTFILE}.zip"
			if [ -f "${FULLOUT}" ]; then
				VERB="Updating"
				Z7ACT="u"
			else
				VERB="Creating"
				Z7ACT="a"
			fi
			echo "${VERB} ${OUTFILE}.zip"
			packArchive "${Z7ACT}" "${FULLOUT}" "."
			cd ..
		fi
	done
}

function packClient() {
	cd "${OSUROOT}"
	if [ ! -d "${DESTROOT}" ]; then
		mkdir "${DESTROOT}";
	fi
	NEWPACK=()
	for f in $(ls -1); do
		case "${f}" in
			"Data"|"Logs"|"Skins"|"Songs"|"sync.ffs_db")
				continue
				;;
		esac
		NEWPACK+=("${f}")
	done

	NEWDIR="${OSUROOT}"
	cd -- "${NEWDIR}"
	OUTFILE="client"
	FULLOUT="${DESTROOT}/${OUTFILE}.zip"
	if [ -f "${FULLOUT}" ]; then
		VERB="Updating"
		Z7ACT="u"
	else
		VERB="Creating"
		Z7ACT="a"
	fi
	echo "${VERB} ${OUTFILE}.zip"
 	packArchive "${Z7ACT}" "${FULLOUT}" "${NEWPACK[@]}"
	cd ..
}


function packSongs() {
	cd "${OSUROOT}/Songs"
	if [ ! -d "${DESTROOT}/Songs" ]; then
		mkdir "${DESTROOT}/Songs";
	fi
	for f in $(ls -1); do
		case "${f}" in
			"altimitmine - Twitch Friends Appreciation Song")
			continue
			;;
		esac
		if [ -d "${f}" ]; then
			NEWDIR="${OSUROOT}/Songs/${f}"
			cd -- "${NEWDIR}"
			OUTFILE=$(echo "${f}" | sed 's/%/\_/g;s/[+]/ /g;s/[|]/\_/g')
			FULLOUT="${DESTROOT}/Songs/${OUTFILE}.osz"
			if [ -f "${FULLOUT}" ]; then
				VERB="Updating"
				Z7ACT="u"
			else
				VERB="Creating"
				Z7ACT="a"
			fi
			echo "${VERB} ${OUTFILE}.osz"
			packArchive "${Z7ACT}" "${FULLOUT}" "."
			cd ..
		fi
	done
}

if [ -z "${OSUEMBED}" ]; then
	if [ "$1" == "client" ]; then
		packClient;
	elif [ "$1" == "skins" ]; then
		packSkins;
	elif [ "$1" == "songs" ]; then
		packSongs;
	elif [ "$1" == "data" ]; then
		packData;
	elif [ "$1" == "all" ]; then
		packClient;
		packSkins;
		packSongs;
		packData;
	else
		echo "Usage: $0 [client|skins|songs|data|all]";
		exit 1;
	fi
fi